I was trying to get the text file into textarea. The result is "http://mywebsite.com/textfile/(txtinput).txt and the text file doesn't load into textarea.
<html>
<head>
<title>textbox</title>
<script type="text/javascript">
function readBOX() {
var txtinput = document.getElementById('txtinput').value;
document.forms[0].text.value = ("http://mywebsite.com/textfile/") + txtinput +(".txt");
}
</script>
</head>
<body>
<p> Type</p>
<input type="text" id="txtinput" />
<input id="open" type="button" value="READ" onClick="readBOX()" />
<form>
<textarea name="text" rows="20" cols="70">loaded text here</textarea>
</form>
</body>
</html>
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